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Characterization of functional brain activity and connectivity using EEG and fMRI in patients with sickle cell disease by Michelle Case; Huishi Zhang; John Mundahl; Yvonne Datta; Stephen Nelson; Kalpna Gupta; Bin He is a Medicine article available to read on EtoBox.
What is Characterization of functional brain activity and connectivity using EEG and fMRI in patients with sickle cell disease about?
Sickle cell disease (SCD) is a red blood cell disorder that causes many complications including life-long pain. Treatment of pain remains challenging due to a poor understanding of the mechanisms and limitations to characterize and quantify pain. In the present study, we examined simultaneously recording functional MRI (fMRI) and electroencephalogram (EEG) to better understand neural connectivity as a consequence of chronic pain in SCD patients. We performed independent component analysis and seed-based connectivity on fMRI data. Spontaneous power and microstate analysis was performed on EEG-fMRI data. ICA analysis showed that patients lacked activity in the default mode network (DMN) and executive control network compared to controls. EEG-fMRI data revealed that the insula cortex's role in salience increases with age in patients. EEG microstate analysis showed patients had increased activity in pain processing regions. The cerebellum in patients showed a stronger connection to the periaqueductal gray matter (involved in pain inhibition), and negative connections to pain processing areas. These results suggest that patients have reduced activity of DMN and increased activity in pai
Who reads Characterization of functional brain activity and connectivity using EEG and fMRI in patients with sickle cell disease?
It is typically read by researchers, students, and practitioners in Medicine.
- Author
- Michelle Case; Huishi Zhang; John Mundahl; Yvonne Datta; Stephen Nelson; Kalpna Gupta; Bin He
- Publisher
- Elsevier BV
- Published
- 2017
- Language
- EN
- Field
- Medicine (Health Sciences)